For decades, researchers have worked to untangle the biological causes of neurodegenerative conditions such as Alzheimer’s disease. A primary focus has been the accumulation of misfolded proteins that ...

Connor Murphy walked in circles around his dad, then flopped down on the kitchen floor, got up and walked in circles again.

A specific pattern of brain activity in a frontal brain region is linked to compulsive behaviors like excessive hand washing, chronic hair-pulling, and skin-picking in people with obsessive compulsive ...

What if helping your child with hair pulling or skin picking isn’t about stopping, but about helping them thrive?

Detail that zoochosis can come from a variety of factors, including social isolation, small enclosures, noisy visitors, and lack of enrichment. Explore how zoos are working to reduce zoochosis through ...

A tiger walks the same worn groove along the edge of its exhibit, like a broken record. A parrot methodically plucks out its own feathers until bare skin shows through. To a casual visitor, these can ...

With OCD, control is a defensive attempt to manage internal anxiety. It usually doesn’t involve intentional efforts to control other people. OCPD, on the other hand, can involve controlling behaviors.

Supplementation of nutrient cocktails containing zinc, branched-chain amino acids and serine improves social interaction in three different mouse genetic models of autism. [Ming-Hui Lin and Tzyy-Nan ...

Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviors in mice, even when natural rewards such as food or social contact are ...